
18
Table 2
Function
Jumper
J2J1
Configuration
Clear CMOS
1-2
Preserve contents of NVRAM.
2-3
Replace contents of NVRAM with default
settings.
Clear system
password.
5-6
Maintain current system password.
6-7
Clear
password
Recover from
corrupted BIOS
9-10
System boots using BIOS stored in the flash
memory.
10-11
BIOS attempts to load BIOS code from a floppy
into the flash memory. Typically used when
BIOS code has been corrupted.
Write Protect
Boot Block
13-14
BIOS boot block is write protected.
14-15
BIOS boot block is erasable and
programmable.
CAUTION:
Programming the boot block incorrectly will prevent
the system from booting
Function
Jumper
J3J1
Configuration
FRB timer.
1-2
FRB operation is enabled (system will boot
from processor 1 if processor 0 fails).
2-3
FRB is disabled.
Chassis
intrusion
detection.
5-6
Switch installed on chassis indicates when the
cover has been removed.
6-7
Chassis switch is bypassed.
BMC FRU UP
9-10
The system will boot normally
10-11
The system will attempt to update the BMC
Function
Jumper
J4J2
Configuration
BMC Write
Enable.
1-2
BMC boot block is write protected
2-3
BMC boot block is erasable and programmable
NOTE:
Default options are in bold